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My name is Ann [436]
2 years ago
13

please help; tell me if you need more information. When a number is raised to the second power, it is called __________.

Mathematics
2 answers:
lawyer [7]2 years ago
6 0

Answer:

five squared

Step-by-step explanation:

MissTica2 years ago
4 0
The power of 2?.........
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What is the simplified expression for 3 y squared minus 6 y z minus 7 + 4 y squared minus 4 y z + 2 minus y squared z? y squared
tresset_1 [31]

Answer:

7y^2 - y^2z - 10yz-5

C. 7 y squared minus y squared z minus 10 y z minus 5

Step-by-step explanation:

A. y squared minus y squared z minus 10 y z minus 5

B. y squared minus y squared z minus 5 y z minus 5

C. 7 y squared minus y squared z minus 10 y z minus 5

D. 7 y squared minus y squared z minus 2 y z minus 5

Given:

3y^2 - 6yz - 7 + 4y^2 - 4yz + 2 - y^2z

Collect like terms in the expression

3y^2 + 4y^2 - 6yz - 4yz - y^2z - 7 + 2

Simplify

7y^2 - 10yz - y^2z - 5

Rewritten as

7y^2 - y^2z - 10yz-5

Option C. 7 y squared minus y squared z minus 10 y z minus 5

Is the answer

4 0
3 years ago
Calculate the average speed of the car in m/s
Alina [70]

Answer:

14.4 m/s

Step-by-step explanation:

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s=\frac{d}{t} \\s=\frac{7.2}{0.5} \\s=14.4

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Luden [163]

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X = 20

Step-by-step explanation:

The two angles are vertical.

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